Home / 355,093,689-532,640,533.50-99,792,057

Finding the Fourth Proportional to 355,093,689, 532,640,533.50 and 99,792,057

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Solution

The fourth proportional to 355,093,689, 532,640,533.50 and 99,792,057 is: 149,688,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,093,689 : 532,640,533.50 = 99,792,057 : x
  2. Step 2: Convert to fraction form
    355,093,689/532,640,533.50 = 99,792,057/x
  3. Step 3: Cross multiply
    355,093,689x = 532,640,533.50 × 99,792,057
  4. Step 4: Simplify right side
    355,093,689x = 53,153,294,479,542,408
  5. Step 5: Solve for x
    x = 53,153,294,479,542,408/355,093,689
  6. Step 6: Final answer
    x = 149,688,085.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.